Note 14 - Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Shares			Weighted-Average Grant-date Fair Value
Nonvested at January 1, 2020		44,450		$	31.11
Granted		16,000			24.48
Vested		(12,500	)		31.37
Forfeited		—			—
Nonvested as of December 31, 2020		47,950		$	28.83